Of the nearly 1 billion people with a disability, 80% live in low- and middle-income countries (LMICs) and 240 million are children. Children with disabilities remain one of the most marginalized and excluded groups in society. This protocol to the Evidence and Gap Map on the Effectiveness of Inclusive Interventions for Children with Disabilities Living in LMICs aims to identify the available evidence on inclusive interventions to improve access to health, education and social services for these children, and enable them to participate fully in society by addressing discrimination, improving living conditions, incorporating mainstreaming approaches and promoting empowerment. It highlights gaps in the evidence to prioritize future research and evaluation agendas; identifies contextual factors related to various populations and settings; and provides a database of peer-reviewed and grey literature in this area. [For the companion report "Inclusive Interventions for Children with Disabilities: An Evidence and Gap Map from Low- and Middle-Income Countries. Inclusion Matters," see ED627681.]